diff --git a/m.js b/m.js
index e2914fb..1a85dac 100644
--- a/m.js
+++ b/m.js
@@ -2,7 +2,7 @@ const M =
 {
     Iterate:
     {
-        New(inDimensions, inCount, inFunction)
+        Loop: (inDimensions, inCount, inFunction)=>
         {
             let row, i, outputCloud, outputVector;
             outputCloud = [];
@@ -17,17 +17,14 @@ const M =
             }
             return outputCloud;
         },
-        Old(inCloud, inFunction)
-        {
-            return M.Iterate.New(inCloud[0].length, inCloud.length, inFunction);
-        }
+        Edit: (inCloud, inFunction)=> inCloud.map(row=>row.map(inFunction))
     },
     Create:
     {
-              Box: (inV1, inV2, inCount)=> M.Iterate.New(inV1.length,    inCount,           (i, row)=> inV1[i]+(inV2[i]-inV1[i])*Math.random()),
-        Transpose:             (inCloud)=> M.Iterate.New(inCloud.length, inCloud[0].length, (i, row)=> inCloud[i][row]),
-            Outer:          (inV1, inV2)=> M.Iterate.New(inV1.length,    inV2.length,       (i, row)=> inV1[i]*inV2[row]),
-            Clone:             (inCloud)=> M.Iterate.Old(inCloud,                           (i, row)=> inCloud[row][i])
+              Box: (inV1, inV2, inCount)=> M.Iterate.Loop(inV1.length,    inCount,           (i, row)=> inV1[i]+(inV2[i]-inV1[i])*Math.random()),
+        Transpose:             (inCloud)=> M.Iterate.Loop(inCloud.length, inCloud[0].length, (i, row)=> inCloud[i][row]),
+            Outer:          (inV1, inV2)=> M.Iterate.Loop(inV1.length,    inV2.length,       (i, row)=> inV1[i]*inV2[row]),
+            Clone:             (inCloud)=> M.Iterate.Edit(inCloud, i=> i)
     },
     Mutate:
     {
@@ -45,9 +42,9 @@ const M =
           Subtract: (inCloud1, inCloud2)=> inCloud1.map((row, rowIndex)=> M.Single.Subtract(row, inCloud2[rowIndex])),
           Multiply: (inCloud1, inCloud2)=> inCloud1.map((row, rowIndex)=> M.Single.Multiply(row, inCloud2[rowIndex])),
             Affine:  (inCloud, inMatrix)=> inCloud.map(row=> M.Single.Affine(row, inMatrix)),
-           Sigmoid:            (inCloud)=> M.Iterate.Old(inCloud, i=>1/(1+Math.Pow(Math.E, i))),
-        Derivative:            (inCloud)=> M.Iterate.Old(inCloud, i=>i*(1-i)),
-             Scale:  (inCloud, inScalar)=> M.Iterate.Old(inCloud, i=>i*inScalar)
+           Sigmoid:            (inCloud)=> M.Iterate.Edit(inCloud, i=>1/(1+Math.pow(Math.E, -i))),
+        Derivative:            (inCloud)=> M.Iterate.Edit(inCloud, i=>i*(1-i)),
+             Scale:  (inCloud, inScalar)=> M.Iterate.Edit(inCloud, i=>i*inScalar)
     }
 }
 
diff --git a/m.test.js b/m.test.js
index 823298d..2bbab28 100644
--- a/m.test.js
+++ b/m.test.js
@@ -1,16 +1,25 @@
 import { assert, assertEquals } from "https://deno.land/std@0.102.0/testing/asserts.ts";
 import { default as M } from "./m.js";
 
-Deno.test("Iterate.New", ()=>
+Deno.test("Iterate.Loop", ()=>
 {
     let dimensions = 3;
     let count = 4;
-    let cloud = M.Iterate.New(dimensions, count, (i, j)=>i+j);
+    let cloud = M.Iterate.Loop(dimensions, count, (i, j)=>i+j);
     assertEquals(cloud.length, count, "correct count");
     assertEquals(cloud[0].length, dimensions, "correct dimensions");
     assertEquals(cloud[0][0], 0);
     assertEquals(cloud[3][2], 5, "correct output");
 });
+Deno.test("Iterate.Edit", ()=>
+{
+    let c = [[1, 2], [3, 4]]
+    let t = M.Iterate.Edit(c, (i)=>i);
+    assertEquals(t.length, c.length, "correct count");
+    assertEquals(t[0][0], c[0][0], "correct dimensions");
+    assertEquals(t[1][1], c[1][1], "correct placement");
+});
+
 
 Deno.test("Create.Box", ()=>
 {
@@ -30,7 +39,6 @@ Deno.test("Create.Box", ()=>
         }
     }
 });
-
 Deno.test("Create.Transpose", ()=>
 {
     let v1 = [1, 2, 3];
@@ -41,7 +49,6 @@ Deno.test("Create.Transpose", ()=>
     assertEquals(tpose[0][0], v1[0]);
     assertEquals(tpose[0][1], v2[0], "correct placement");
 });
-
 Deno.test("Create.Outer", ()=>
 {
     let v1 = [1, 2, 3];
@@ -51,7 +58,6 @@ Deno.test("Create.Outer", ()=>
     assertEquals(outer[0].length, v1.length, "correct dimensions");
     assertEquals(outer[1][0], v1[0]*v2[1], "correct placement")
 });
-
 Deno.test("Create.Clone", ()=>
 {
     let v1 = [1, 2, 3];
@@ -62,6 +68,7 @@ Deno.test("Create.Clone", ()=>
     assertEquals(clone[1][0], v2[0], "correct placement");
 });
 
+
 Deno.test("Mutate.Pad", ()=>
 {
     let matrix = [
@@ -133,8 +140,28 @@ Deno.test("Batch.Scale", ()=>
     let c = [[1, 2], [3, 4]];
     let s = 0.5;
     let t = M.Batch.Scale(c, s);
+    console.log(t);
     assertEquals(t.length, 2, "correct count");
     assertEquals(t[0].length, 2, "correct dimensions");
-    console.log(t);
     assertEquals(t[1][0], 1.5, "correct placement");
 });
+
+
+Deno.test("Batch.Sigmoid", ()=>
+{
+    let m = [[-1000, 1000]];
+    let t = M.Batch.Sigmoid(m);
+    console.log(t);
+    assertEquals(t.length, 1, "correct count");
+    assertEquals(t[0].length, 2, "correct dimensions");
+    assert(t[0][0]>=0 && t[0][0]<0.5);
+    assert(t[0][1]<=1 && t[0][1]>0.5, "correct placement");
+});
+Deno.test("Batch.Derivative", ()=>
+{
+    let m = [[-1000, 0, 1000]];
+    let t = M.Batch.Derivative(M.Batch.Sigmoid(m));
+    assertEquals(t.length, 1, "correct count");
+    assertEquals(t[0].length, 3, "correct dimensions");
+    assert(t[0][0]<t[0][1] && t[0][1]>t[0][2]);
+});
\ No newline at end of file
diff --git a/methods.md b/methods.md
index b149d13..e365088 100644
--- a/methods.md
+++ b/methods.md
@@ -7,8 +7,8 @@ pad(inCloud) // done
 unpad(inCloud) // done
 
 transform(inCloud, inMatrix) // done
-sigmoid(inCloud) // 1/(1+e^x) //
-derivative(inCloud) // x*(1-x) //
-scale(inCloud1, inV) //
+sigmoid(inCloud) // 1/(1+e^x) // done
+derivative(inCloud) // x*(1-x) // done
+scale(inCloud1, inV) // done
 subtract(inCloud1, inCloud2) // done
 multiply(inCloud1, inCloud2) // done
\ No newline at end of file